Datasheet

Appendix C I/O Port Block Diagrams
Rev. 4.00 Sep 27, 2006 page 1092 of 1130
REJ09B0327-0400
D
R
QD
P41DR
C
Reset
R
Q
P41DDR
C
Reset
WP4D
WP4
8-bit timer 0
8-bit timer output
Output enable
SCI2
Receive enable
RxD2/IrRxD
P41
Hardware standby
RP4
WP4D: Write to P4DDR
WP4: Write to port 4
RP4: Read port 4
Internal data bus
Legend:
Figure C.7 Port 4 Block Diagram (Pin P41)